Welcome

Please check the News to the right for the latest announcements from DEQ!

Welcome to the Oklahoma DEQ State and Local Emissions Inventory System (SLEIS), a web-based application that allows facilities to compile and submit point source emissions inventory data.  Companies may submit inventory amendments through SLEIS at any time after notifying and receiving approval from DEQ.

Browser Requirements
Minimum browser requirements for SLEIS are Chrome, Mozilla Firefox, or Microsoft Edge.

Locked Accounts
SLEIS accounts will be locked after 5 unsuccessful login attempts.  Contact aei@deq.ok.gov or 405-702-4100 to reset your password.

SLEIS User Registration
SLEIS users who wish to be assigned as a Submitter must complete form 100-882 for Responsible Officials or form 100-882a for Duly Authorized Representatives. All other users should use form 100-733. The definition of a Responsible Official/Duly Authorized Representative can be found on the first two pages of any document. 

SLEIS System Guidance

Industry Specific Guidance